GENERAL HISTOLOGY

Detailed explanation-1: -sea cucumber, (class Holothuroidea), any of 1, 200 species of marine invertebrates that constitute a class within the phylum Echinodermata .

Detailed explanation-2: -Class: Holothuroidea. Classification: Invertebrate. Sea cucumbers are part of a larger animal group called echinoderms, which also contains starfish and sea urchins. Their body shape is similar to a cucumber, but they have small tentacle-like tube feet that are used for locomotion and feeding.

Detailed explanation-3: -Description: The holothuroideans, commonly called sea cucumbers, are a very unique group of echinoderms. They are the only class that is soft bodied rather than hard with well-developed circular and longitudinal muscles. Their axis of symmetry is horizontal unlike other echinoderms.

Detailed explanation-4: -Sea cucumbers, also known as holothurians, are from the phylum Echinodermata. From ancient Greek, echinos means a hedgehog and derma means skin. Sea cucumbers are from the class Holothuroidea with a leathery muscular and elongated body, with tentacles surrounding the anterior end.